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    Single Decoder controlling motors in A-B consist, and 3 speakers

    I have 2 sets AB of F-3's that I purchased from BLI long ago. Interestingly they have a connecting cable between the 2 units such that it appears as though there is a single ESU decoder controlling the motors on both units, and all 3 speakers. Is that true?? I have another AB set of PA that...

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